ML4115B1008 Honeywell Actuator
Fast-acting, 2-position Actuator with 30 lb-in., spring return CW, 120 Vac ±10%
Overview
Honeywell’s Fast-Acting, Two-Position Actuators are line volt (120V), 30 lb-in., spring return direct coupled actuators (DCA) for Fire and Smoke dampers (on/off control). The actuator accepts an on/off signal from a single-pole, single-throw (SPST) controller. Reversible mounting allows actuator to be used for either clockwise (cw) or counterclockwise (ccw) spring rotation
Features
- 30 lb-in. (3.4 N•m) or 80 lb-in. (5.9 N•m) minimum driving torque at 350 F (176 C)
- Reversible mounting facilitates use in either clockwise (cw) or counterclockwise (ccw) spring rotation
- Integral spring return ensures level of return torque
- Fifteen-second spring return timing
- No special cycling required during long-term holding
- No audible noise during holding
- Patent pending design eliminates need for limit switches to reduce power consumption
- Models available for 24, 120, and 230 Vac
- Ninety-five degree angle of rotation
- Actuator holds rated torque at reduced power level
- Die-cast aluminum housing
- Housing design allows flush mounting to damper
- Designed to operate reliably in smoke control systems requiring Underwriter’s Laboratories Inc. UL555S ratings up to 350 F.
- Models available with SPST position-indicating switches (7 degree, 85 degree stroke).
Product Specifications
| Application | Fire and Smoke |
| Dimensions (in.) | 7.5 in high x 5.13 in wide x 3.32 in deep |
| Dimensions (mm) | 192 mm high x 129 mm wide x 84 mm deep |
| Includes | Ground Screw |
| Weight (lb) | 6 lb |
| Weight (kg) | 2.72 kg |
| Materials | Aluminum housing |
| Comments | Integral junction box with three 7/8 in. conduit openings (fittings not included) |
| Item Type | Product |
| Mounting | Direct Coupled |
| Frequency | 60 Hz |
| Approvals, Underwriters Laboratories Inc. | UL873, Plenum Rated |
| Electrical Connections | Two color-coded leads |
| Operating Humidity Range (% RH) | 5 to 95% RH, non-condensing |
| Supply Voltage | 120 Vac ±10% |
| Power Consumption | Driving– 0.18A, 18W, Holding– 0.11A, 9W |
| Shipping and Storage Temperature Range (F) | -40 F to 140 F |
| Shipping and Storage Temperature Range (C) | -40 C to +60 C |
| Approvals, Canadian Underwriters Laboratories Inc. | cUL C22.2 No. 24-93 |
| Ambient Temperature Range (F) | 0 F to +130 F |
| Ambient Temperature Range (C) | -18 C to +55 C |
| Environmental, Electrical or Ingress Protection Rating | NEMA 1 |
| Internal Auxiliary Switch | 0 |
| Maximum Noise Rating | Driving (dB(A) @ 1m)– 65; Holding (dB(A) @ 1m)– 20 (no audible noise) |
| Stroke | 95 ±3 degrees |
| Shaft Dimensions (in.) | 3/8 to 1/2 in. square or round |
| Actuator Type | Damper |
| Control Signal | SPST; Two position |
| Fail Safe Mode | Spring Return |
| Torque Rating (lb-in.) | 30 lb-in. |
| Torque Rating (Nm) | 3.4 Nm |
| Spring Return Torque/Force (lb-in., lbf) | 30 lb-in. |
| Spring Return Torque/Force (Nm, N) | 3.4 Nm |
| Additional Torque Ratings (lb-in.) | Maximum Stall– 150 lb-in.; Minimum Driving at 350 F– 30 lb-in. |
| Additional Torque Ratings (Nm) | Maximum Stall– 17 Nm; Minimum Driving at 175 C– 3.4 Nm |
| External Auxiliary Switches Available | Yes, 32003532-005 |
| Timing, Nominal | Driving @ 60 Hz– 18 sec, 25 sec maximum |
| Spring Return Timing | Maximum– 15 sec |
| Shaft Adapter Type | Aluminum Hub, two set screws |
| Shaft Dimensions (mm) | 10 to 13 mm square/round |
| Spring Return Direction | CW |
| Electrical Connections (in.) | 16 in. |
| Electrical Connections (mm) | 406 mm |
| Weight | 5.39 lbs |
|---|---|
| Dimensions | 14 × 7 × 6 in |
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